CN212578090U - Clamping and fixing device for milling machine - Google Patents
Clamping and fixing device for milling machine Download PDFInfo
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- CN212578090U CN212578090U CN202020779438.5U CN202020779438U CN212578090U CN 212578090 U CN212578090 U CN 212578090U CN 202020779438 U CN202020779438 U CN 202020779438U CN 212578090 U CN212578090 U CN 212578090U
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- workbench
- clamping
- lead screw
- milling machine
- screw
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- 238000003801 milling Methods 0.000 title claims abstract description 27
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 241000239290 Araneae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to a milling machine work piece processing technology field especially relates to fixed effect is poor when carrying out the centre gripping to tubular workpiece, and the pipe influences the problem of cutting milling effect. A clamping and fixing device for a milling machine comprises a workbench, wherein support columns are arranged on the periphery of the bottom of the workbench, and the clamping and fixing device is characterized in that a movable groove is formed in the workbench, a lead screw is arranged in the movable groove along the length direction, a rotary table is fixedly connected to one end, located on the outer side of the workbench, of the lead screw, two screw sleeves are sleeved on the lead screw, the sizes of the two screw sleeves are matched with those of the movable groove, the positions, corresponding to the two screw sleeves, of the lead screw are opposite in thread direction, fixing rods are arranged at the tops of the two screw sleeves, and a clamping box is arranged on one side, opposite to the two fixing rods; the utility model discloses, through mutually supporting of catch bar, slider and vaulting pole, it is fixed to carry out effectual centre gripping to tubular workpiece processing, reduces its condition that breaks away from man-hour adding.
Description
Technical Field
The utility model relates to a milling machine work piece processing technology field especially relates to a centre gripping fixing device that milling machine was used.
Background
The milling machine is a machine tool for milling a workpiece by using a milling cutter, and generally, the milling cutter mainly moves by rotating, the movement of the workpiece and the milling cutter is a feed movement, and the milling machine can machine planes, grooves, various curved surfaces, gears and the like. The milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planer, and is widely applied to mechanical manufacturing and repairing departments.
When a workpiece is machined, the workpiece is placed on a workbench of a milling machine for cutting and milling, and when a circular tubular workpiece is cut and milled, due to the particularity of the shape, the fixing effect is poor when the tubular workpiece is clamped and fixed in the prior art, the tubular workpiece is easy to deviate, and the cutting and milling effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a centre gripping fixing device that milling machine was used has solved that the fixed effect is poor when carrying out the centre gripping to tubular workpiece fixed, and the skew takes place easily for tubular workpiece, influences the problem of cutting milling effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a clamping and fixing device for a milling machine comprises a workbench, wherein support columns are arranged on the periphery of the bottom of the workbench, a movable groove is formed in the workbench, a lead screw is arranged in the movable groove along the length direction, a rotary table is fixedly connected to one end, located on the outer side of the workbench, of the lead screw, two screw sleeves are sleeved on the lead screw and in threaded connection with the lead screw, the sizes of the two screw sleeves are matched with the movable groove, the positions, corresponding to the two screw sleeves, of the lead screw are opposite in threaded direction, fixed rods are arranged at the tops of the two screw sleeves, clamping boxes are arranged on the opposite sides of the two fixed rods, the opposite sides of the two clamping boxes are open, a central disc is arranged at the central position of the opening of each clamping box, and a plurality of sliding rods are arranged between the central disc and the inner wall of each clamping box, the clamping box is characterized in that the sliding rods are circumferentially distributed by taking the central disc as a circle center, a plurality of sliding blocks are sleeved on the sliding rods, one sides, far away from the fixing rods, of the sliding blocks are provided with support rods, one ends, far away from the central disc, of the clamping box are provided with air cylinders, free ends of air cylinder output shafts are fixedly connected with adjusting discs, push rods are arranged between the adjusting discs and the sliding blocks, and two ends of each push rod are hinged to the corresponding sliding block.
Preferably, one end of the screw rod penetrates through the workbench, a through hole is formed in the position, through which the screw rod penetrates, of the workbench, and the screw rod is rotatably connected with the workbench.
Preferably, the surface of the workbench is symmetrically provided with strip-shaped grooves, the fixing rods are positioned in the strip-shaped grooves, and the fixing rods are slidably connected with the strip-shaped grooves.
Preferably, the fixing rod is fixedly connected with the threaded sleeve, and the fixing rod is L-shaped.
Preferably, the clamping box is cylindrical, the cylinder is located in the clamping box, and the cylinder is fixedly connected with the inner wall of the clamping box.
Preferably, the push rods are circumferentially distributed along the circle center of the adjusting disc, and the push rods correspond to the sliding blocks one to one.
The utility model discloses possess following beneficial effect at least:
1, the utility model discloses, the lead screw rotates two swivel nuts of lead screw drive pole drive and is close to each other or keep away from each other, realizes from this that the centre gripping to the tubulose work piece is fixed or break away from the restriction, and the complicated process of relative prior art more makes things convenient for its operation.
2, the utility model discloses, when the cylinder moves, drive the slider through the catch bar and slide on the slide bar, a plurality of slider is and moves to the direction that the spider was kept away from, drive the outside removal of vaulting pole during a plurality of slider motion, the vaulting pole is owing to prop up the inner wall to the tubulose work piece, fix it from this through propping up, the vaulting pole of both sides cooperates from this to realize fixed to the work piece, effectively reduce the tubulose work piece and break away from the workstation when carrying out work, reduce the influence that mills to the cutting in later stage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a side view of the clamping box of the present invention.
In the figure: 1. a work table; 2. a support pillar; 3. a movable groove; 4. a screw rod; 5. a turntable; 6. a threaded sleeve; 7. fixing the rod; 8. a clamping box; 9. a central disk; 10. a slide bar; 11. a slider; 12. a stay bar; 13. a cylinder; 14. an adjusting disk; 15. a push rod; 16. and (4) strip-shaped grooves.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, a clamping and fixing device for a milling machine comprises a workbench 1, wherein support columns 2 are arranged around the bottom of the workbench 1, a movable groove 3 is formed in the workbench 1, a lead screw 4 is arranged on the movable groove 3 along the length direction, a rotary table 5 is fixedly connected to one end of the lead screw 4, which is positioned at the outer side of the workbench 1, two screw sleeves 6 are sleeved on the lead screw 4, the two screw sleeves 6 are in threaded connection with the lead screw 4, the size of the two screw sleeves 6 is matched with that of the movable groove 3, the positions of the lead screw 4 corresponding to the two screw sleeves 6 are opposite in threaded direction, fixing rods 7 are arranged at the tops of the two screw sleeves 6, clamping boxes 8 are arranged on one sides of the two fixing rods 7, one sides of the two clamping boxes 8 are opposite in an open shape, and a central disc 9 is arranged at the central positions of the openings of the clamping boxes 8, the utility model discloses a clamping box, including centre disk 9, clamping box 8, be provided with a plurality of slide bar 10 between the inner wall of centre disk 9 with be provided with a plurality of slide bar 10, a plurality of slide bar 10 with centre disk 9 is the circumference and distributes as the centre of a circle, the cover is equipped with a plurality of slider 11 on the slide bar 10, slider 11 is kept away from one side of dead lever 7 is provided with vaulting pole 12, clamping box 8 is kept away from the one end of centre disk 9 is provided with cylinder 13, the free end fixedly connected with adjusting disk 14 of cylinder 13 output shaft, adjusting disk 14 and a plurality of be provided with catch bar 15 between the slider 11, the both ends of catch bar 15 respectively with adjusting disk 14, corresponding slider 11 is.
Further, one end of the screw rod 4 penetrates through the workbench 1, the workbench 1 is located at a position where the screw rod 4 penetrates, a through hole is formed, and the screw rod 4 is rotatably connected with the workbench 1.
Further, strip-shaped grooves 16 are symmetrically formed in the surface of the workbench 1, the fixing rod 7 is located in the strip-shaped grooves 16, and the fixing rod 7 is connected with the strip-shaped grooves 16 in a sliding mode.
Further, the fixing rod 7 is fixedly connected with the threaded sleeve 6, and the fixing rod 7 is L-shaped.
Further, the clamping box 8 is cylindrical, the air cylinder 13 is located in the clamping box 8, and the air cylinder 13 is fixedly connected with the inner wall of the clamping box 8.
Furthermore, a plurality of the pushing rods 15 are circumferentially distributed along the circle center of the adjusting disc 14, and a plurality of the pushing rods 15 correspond to a plurality of the sliding blocks 11 one by one.
The scheme has the following working processes:
when the clamping device is used, a tubular workpiece is placed on the workbench 1, the tubular workpiece is placed at a position corresponding to the clamping box 8, the turntable 5 is rotated, the turntable 5 drives the screw rod 4 to rotate when rotating, the thread directions of the positions of the movable groove 3 and the screw rod 4 corresponding to the two screw sleeves 6 are opposite, the screw rod 4 drives the two screw sleeves 6 to approach or separate from each other, the turntable 5 rotates clockwise to drive the two screw sleeves 6 to approach each other, the two screw sleeves 6 drive the clamping box 8 to approach each other, the support rod 12 at one side of the clamping box 8 enters the inner wall of the inner ring of the tubular workpiece, and when the clamping device moves to a proper position, the turntable 5 stops rotating; the air cylinder 13 is operated, the output end of the air cylinder 13 drives the adjusting disc 14 to move towards the position of the central disc 9, the length of the push rod 15 is unchanged, when the adjusting disc 14 moves, the push rod 15 drives the sliding blocks 11 to slide on the sliding rods 10, the sliding blocks 11 move towards the direction away from the central disc 9, the sliding blocks 11 drive the support rods 12 to move outwards, the support rods 12 support the inner wall of the tubular workpiece and are fixed by supporting, the support rods 12 on the two sides are matched to fix the workpiece, and the separation of the tubular workpiece from the workbench 1 is effectively reduced when the workpiece is operated.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The clamping and fixing device for the milling machine comprises a workbench (1), wherein support columns (2) are arranged on the periphery of the bottom of the workbench (1), and the clamping and fixing device is characterized in that a movable groove (3) is formed in the workbench (1), a lead screw (4) is arranged on the movable groove (3) along the length direction, the lead screw (4) is located at one end of the outer side of the workbench (1) and is fixedly connected with a turntable (5), two thread sleeves (6) are sleeved on the lead screw (4), the two thread sleeves (6) are in threaded connection with the lead screw (4), the size of the two thread sleeves (6) is matched with that of the movable groove (3), the lead screw (4) corresponds to two thread positions of the two thread sleeves (6) and is opposite in direction, the top of the two thread sleeves (6) is provided with a fixing rod (7), and one side, opposite to the fixing rod (7), is provided with a clamping box (8), two one side that centre gripping case (8) is relative is the opening form, the opening part central point department of putting of centre gripping case (8) is provided with center plate (9), center plate (9) with be provided with a plurality of slide bar (10), a plurality of between the inner wall of centre gripping case (8) slide bar (10) with center plate (9) are the circumference for the centre of a circle and distribute, the cover is equipped with a plurality of slider (11) on slide bar (10), slider (11) are kept away from one side of dead lever (7) is provided with vaulting pole (12), centre gripping case (8) are kept away from the one end of center plate (9) is provided with cylinder (13), the free end fixedly connected with adjusting disk (14) of cylinder (13) output shaft, adjusting disk (14) and a plurality of be provided with catch bar (15) between slider (11), the both ends of catch bar (15) respectively with adjusting disk (14), Is hinged corresponding to the sliding block (11).
2. The clamping and fixing device for the milling machine is characterized in that one end of the screw rod (4) penetrates through the workbench (1), a through hole is formed in the workbench (1) at the position where the screw rod (4) penetrates through, and the screw rod (4) is rotatably connected with the workbench (1).
3. The clamping and fixing device for the milling machine as claimed in claim 1, characterized in that the surface of the working table (1) is symmetrically provided with strip-shaped grooves (16), the fixing rod (7) is positioned in the strip-shaped grooves (16), and the fixing rod (7) is connected with the strip-shaped grooves (16) in a sliding manner.
4. A clamping fixture for milling machines according to claim 1, characterized in that the fixing rod (7) is fixedly connected with the threaded sleeve (6), the fixing rod (7) being "L" shaped.
5. A clamping fixture for a milling machine according to claim 1, characterized in that the clamping box (8) is cylindrical, the cylinder (13) is located in the clamping box (8), and the cylinder (13) is fixedly connected to the inner wall of the clamping box (8).
6. A clamping fixture for a milling machine according to claim 1, characterized in that a plurality of said push rods (15) are circumferentially distributed along the center of the adjusting disk (14), a plurality of said push rods (15) corresponding one-to-one to a plurality of said slide blocks (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020779438.5U CN212578090U (en) | 2020-05-12 | 2020-05-12 | Clamping and fixing device for milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020779438.5U CN212578090U (en) | 2020-05-12 | 2020-05-12 | Clamping and fixing device for milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212578090U true CN212578090U (en) | 2021-02-23 |
Family
ID=74641225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020779438.5U Expired - Fee Related CN212578090U (en) | 2020-05-12 | 2020-05-12 | Clamping and fixing device for milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212578090U (en) |
-
2020
- 2020-05-12 CN CN202020779438.5U patent/CN212578090U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |